Better removal of hiredis warning (#1726)

Co-authored-by: Alex Wu <[email protected]>

Author: wuisawesome

redis/__init__.py

@@ -37,7 +37,7 @@ def int_or_str(value):
         return value
 
 
-__version__ = "4.0.1"
+__version__ = "4.0.2"
 
 
 VERSION = tuple(map(int_or_str, __version__.split('.')))

redis/connection.py

@@ -9,7 +9,6 @@
 import os
 import socket
 import threading
-import warnings
 import weakref
 
 from redis.exceptions import (
@@ -67,9 +66,6 @@
     # only use byte buffer if hiredis supports it
     if not HIREDIS_SUPPORTS_BYTE_BUFFER:
         HIREDIS_USE_BYTE_BUFFER = False
-else:
-    msg = "redis-py works best with hiredis. Please consider installing"
-    warnings.warn(msg)
 
 SYM_STAR = b'*'
 SYM_DOLLAR = b'$'